/* Arithmetic problem with 1 operator */
#additionWithAnimatedDice[data-nmrofops="1"] {
  font-size: 4em;
}
/* Arithmetic problem with 2 operators */
#additionWithAnimatedDice[data-nmrofops="2"] {
  font-size: 3.4em;
}
/* Arithmetic problem with 3 operators */
#additionWithAnimatedDice[data-nmrofops="3"] {
  font-size: 2.8em;
}

#additionWithAnimatedDice span.operator, 
#additionWithAnimatedDice span.equalitySymbol {
  margin-left: 0.4em;
  margin-right: 0.4em;
}
#additionWithAnimatedDice input[type=number] {
  width: 1.5em;
}
.operand svg {
  vertical-align: middle;
}
